Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/747
Title: Influence of a trout farm on macrozoobenthos communities of the Trešnjica River, Serbia
Authors: Živić, Ivana 
Marković, Z.
Živić, Miroslav 
Keywords: Fish mass;Macrozoobenthos;Serbia;Trešnjica river;Trout farm
Issue Date: 1-Dec-2009
Journal: Archives of Biological Sciences
Abstract: 
Trout farming poses an increasing threat to quality of the water of clean highland streams. Research of this problem has focused primarily on changes in physico-chemical composition of the water and structure of the river bottom, and less on the effects on living organisms. In the present work, we investigated influence of the farm with the highest trout production in Serbia, the " Riboteks" Trout Farm on the Trešnjica River, on its macrozoobenthos communities. Our investigations showed that the " Riboteks" Trout Farm wastewaters caused a clear and statistically significant change of moderate intensity in all measured parameters describing the composition and structure of macrozoobenthos communities. These changes were most pronounced in the part of the watercourse closest to the influx of waste water (locality III) but remained statistically significant even 500 m downstream (locality IV) and were lost only about 3.5 km away from the influx of the farm's wastewater (locality V). The most pronounced were changes in the participation in total abundance of the Baetidae, Chironomidae, and Plecoptera. Additionally, results of the present work confirmed that the mass of fish on the trout farm is a parameter that adequately defines the strength of its action, above all the intensity of its influence on structure of the macrozoobenthos community.
URI: https://biore.bio.bg.ac.rs/handle/123456789/747
ISSN: 0354-4664
DOI: 10.2298/ABS0903483Z
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